Even without going infinite, being able to untap every turn with Murkfiend Liege, Drumbellower, White Plume Adventurer or Quest for Renewal generates a ton of advantage in multiplayer Commander
But it plays well in general with +1/+1 counter strategies, equipment strategies, and even hydra decks
The deck has ridiculous ramp potential tapping attractions for mana with Galazeth Prismari or Inspiring Statuary, draw tons of cards, and eventually win the game via a token army from cards like Talrand, Sky Summoner or animating our attractions with Rise and Shine
Polluted Mire Polluted Mire and the rest of its cycle are almost identical to Desert of the Glorified, and they act as slightly worse versions of the Barren Moor cycle
Its a really cheap removal spell for Boros aggro without ramping them or giving life